CN107116506B - Disassembling tool for disassembling main shaft - Google Patents
Disassembling tool for disassembling main shaft Download PDFInfo
- Publication number
- CN107116506B CN107116506B CN201710379564.4A CN201710379564A CN107116506B CN 107116506 B CN107116506 B CN 107116506B CN 201710379564 A CN201710379564 A CN 201710379564A CN 107116506 B CN107116506 B CN 107116506B
- Authority
- CN
- China
- Prior art keywords
- lead screw
- mandrel
- seat
- ejector rod
- dismounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
Abstract
The invention discloses a disassembling tool for disassembling a main shaft, which comprises a screw rod, a first screw rod supporting seat, a second screw rod supporting seat, a first ejector rod and a second ejector rod, a fixed seat and a driving mechanism, wherein the screw rod can penetrate through a mandrel; the first ejector rod is arranged between the first lead screw supporting seat and the first end of the mandrel in an abutting mode, the second ejector rod is arranged between the second lead screw supporting seat and the second end of the mandrel in an abutting mode, and the lead screw, the first ejector rod, the mandrel and the second ejector rod are arranged coaxially. When the main shaft is disassembled, the disassembling force is concentrated on a central axis, the stress is uniform, the phenomenon of die holding cannot be generated, the high-precision surfaces of the core shaft and the main shaft bearing cannot be damaged, and the problem that the core shaft is damaged and scrapped in the disassembling process can be completely solved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a disassembling tool for disassembling a spindle.
Background
In the production line for processing cylinder bodies, cylinder covers and crankshafts in an engine factory, because an electric spindle of CNC equipment (a numerical control machine tool) runs under a large load for a long time, when the service life of a bearing of the electric spindle reaches, the problem of scrapping of processed parts often occurs, and therefore the high-precision bearing inside the electric spindle needs to be disassembled and replaced. However, since the internal structure of the electric spindle is matched with a high-precision size chain, if the electric spindle is not properly detached, the bearing size matching surface inside the spindle 4 is easily scratched, and the electric spindle cannot be repaired and is scrapped.
At present, most manufacturers usually directly use a puller to forcibly separate a spindle from a bearing when detaching the spindle. However, when the method is adopted, the bearings are easy to incline due to uneven stress of the mandrel and the bearings, so that the mandrel and the bearings are mutually stuck. And when the puller is used for dismounting, the high-precision matching surface of the mandrel and the bearing is easily scratched, and the mandrel and the bearing spacer ring are also easily pressed and deformed, so that the mandrel cannot be repaired, the matching precision between a new bearing and the mandrel installed at the later stage is influenced, and the service life of the new bearing is greatly reduced.
Therefore, it is necessary to provide a new disassembling tool for disassembling the spindle to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide a disassembling tool for disassembling a main shaft, and aims to solve the problem that a spindle is easy to damage when the main shaft is disassembled.
In order to achieve the purpose, the invention provides a disassembling tool for disassembling a main shaft, wherein the main shaft comprises a cylindrical mandrel, a cylindrical shell sleeved outside the mandrel and a plurality of main shaft bearings arranged between the mandrel and the shell, the disassembling tool comprises a lead screw capable of penetrating through the mandrel, a first lead screw supporting seat and a second lead screw supporting seat for supporting the lead screw, a first ejector rod and a second ejector rod which are cylindrical and sleeved on the lead screw, a fixed seat for fixing the shell and a driving mechanism for driving the lead screw to rotate around the axis of the fixed seat;
the first ejector rod and the second ejector rod are in threaded connection with the lead screw, the first ejector rod is abutted against and arranged between the first lead screw supporting seat and the first end of the mandrel, the second ejector rod is abutted against and arranged between the second lead screw supporting seat and the second end of the mandrel, and the lead screw, the first ejector rod, the mandrel and the second ejector rod are coaxially arranged.
Preferably, the driving mechanism comprises a reduction gearbox and a hand wheel connected with an input shaft of the reduction gearbox, and an output shaft of the reduction gearbox is connected with one end of the screw rod.
Preferably, the driving mechanism further comprises a connecting rod supporting seat, a connecting rod connected with the output shaft and the screw rod, and a connecting rod bearing arranged in the connecting rod supporting seat and used for supporting the connecting rod.
Preferably, the driving mechanism further comprises a base plate and a plurality of support legs for supporting the base plate, and the reduction gearbox and the connecting rod support seat are both arranged on the base plate.
Preferably, the disassembling tool further comprises a guide rail parallel to the axis of the screw rod, and the first screw rod supporting seat, the fixed seat and the second screw rod supporting seat are sequentially arranged on the guide rail and can move along the guide rail.
Preferably, the housing comprises a first end shell and a second end shell interfacing with the first end shell; the spindle bearing comprises a plurality of first end bearings disposed between the first end shell and the mandrel and a plurality of second end bearings disposed between the second end shell and the mandrel; the fixing base including install in first mounting panel on the guide rail, set up in just be used for fixing on the first mounting panel the clamp of first end shell and be used for supporting the bracket of first end shell.
Preferably, the housing further comprises an end shell flange disposed on an end of the second end shell and between the first end shell and the second end shell; the fixing seat further comprises a second mounting plate arranged on the guide rail, a clamping seat arranged on the second mounting plate and a clamping plate arranged on the clamping seat, a clamping groove matched with the second end shell is formed in the clamping seat, and the end shell flange can be clamped between the clamping plate and the bracket.
Preferably, the fixing seat further comprises a connecting strip for connecting the second mounting plate with the first lead screw supporting seat.
Preferably, the disassembling tool further comprises a sliding rail parallel to the guide rail and a plurality of auxiliary supports arranged on the sliding rail, and the auxiliary supports can slide on the sliding rail and are used for assisting in supporting the first end shell.
Preferably, the auxiliary support includes a sliding plate mounted on the sliding rail, a sliding groove member disposed on the sliding plate, and a sliding block disposed in the sliding groove member and used for supporting the first end shell, and an extending direction of the sliding groove member is perpendicular to an extending direction of the sliding rail.
In the technical scheme of the invention, the screw rod, the first ejector rod, the mandrel and the second ejector rod are coaxially arranged,
the lead screw penetrates through the first ejector rod, the mandrel and the second ejector rod in sequence, wherein the two ends of the mandrel are abutted by the first ejector rod and the second ejector rod, the shell of the spindle is fixed by the fixing seat, and the mandrel is pulled by the lead screw, so that the mandrel can be separated from the spindle bearing. When the main shaft is disassembled, the first ejector rod and the second ejector rod advance and retreat simultaneously along with the screw rod, stress points are concentrated on the screw rod in the middle and are positioned on the central axis of the mandrel, disassembling force is concentrated on one central axis, stress is uniform, and the phenomenon of blocking cannot be generated. Moreover, the action points of the dismounting force are concentrated on the threads of the screw rod, so that the high-precision surfaces of the mandrel and the main shaft bearing cannot be damaged, and the problem that the mandrel is damaged and scrapped in the dismounting process can be completely solved. In addition, the spindle with different sizes and lengths can be disassembled by replacing the screw rod, the first ejector rod, the second ejector rod and the like, so that the spindle disassembling tool is wide in application range and strong in adaptability.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for a person skilled in the art,
other drawings can also be obtained from the structures shown in these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a disassembling tool for disassembling a spindle according to an embodiment of the present invention;
FIG. 2 is a front view of a disassembling tool for disassembling a spindle according to an embodiment of the present invention;
fig. 3 is a top view of a disassembling tool for disassembling a spindle according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The invention provides a disassembling tool for disassembling a main shaft, and aims to solve the problem that a spindle 42 is easily damaged when a main shaft 4 is disassembled.
As shown in fig. 1, in an embodiment of the present invention, a disassembling tool for disassembling a spindle is provided, where a spindle 4 includes a cylindrical spindle 42, a cylindrical housing 41 sleeved outside the spindle 42, and a plurality of spindle bearings (not shown) disposed between the spindle 42 and the housing 41, where the disassembling tool includes a screw 1 capable of passing through the spindle 42, a first screw supporting seat 21 and a second screw supporting seat 22 for supporting the screw 1, a first ejector rod 31 and a second ejector rod 32 both having a cylindrical shape and sleeved on the screw 1, a fixing seat 8 for fixing the housing 41, and a driving mechanism 5 for driving the screw 1 to rotate around its axis. And, first ejector pin 31 and second ejector pin 32 all with lead screw 1 threaded connection (namely, first ejector pin 31 and second ejector pin 32 all are provided with the internal thread with the external screw thread adaptation on the lead screw 1), first ejector pin 31 supports to lean on to set up between the first end of first lead screw supporting seat 21 and dabber 42 and second ejector pin 32 supports to lean on to set up between the second end of second lead screw supporting seat 22 and dabber 42, lead screw 1, first ejector pin 31, dabber 42 and second ejector pin 32 coaxial setting.
In the above embodiment, the screw rod 1, the first push rod 31, the mandrel 42 and the second push rod 32 are coaxially arranged, and the screw rod 1 sequentially passes through the first push rod 31, the mandrel 42 and the second push rod 32. The first ejector rod 31 and the second ejector rod 32 push the two ends of the spindle 42, the fixed seat 8 fixes the shell 41 of the spindle 4, and the spindle 42 is pulled by the screw rod 1, so that the spindle 42 can be separated from the spindle bearing. When the main shaft 4 is disassembled, the first ejector rod 31 and the second ejector rod 32 advance and retreat simultaneously along with the screw rod 1, the stress points are concentrated on the screw rod 1 in the middle and are positioned on the central axis of the mandrel 42, the disassembling force is concentrated on one central axis, the stress is uniform, and the phenomenon of blocking cannot be generated. In addition, the action points of the disassembling force are concentrated on the threads of the screw rod 1, so that the high-precision surfaces of the mandrel 42 and the main shaft bearing cannot be damaged, and the problem that the mandrel 42 is damaged and scrapped in the disassembling process can be completely solved. In addition, the spindle 4 with different sizes and lengths can be disassembled by replacing the screw rod 1, the first ejector rod 31, the second ejector rod 32 and the like, so that the spindle is wide in application range and strong in adaptability. Moreover, the disassembly tool in the embodiment has a simple structure, and is low in manufacturing and later maintenance cost.
Specifically, referring to fig. 1 and 2, the housing 41 includes a first end shell 411 and a second end shell 412 abutting against the first end shell 411, and further, the housing 41 further includes an end shell flange 413 disposed on an end of the second end shell 412 and between the first end shell 411 and the second end shell 412. The main shaft bearing includes a plurality of first end bearings (not shown) disposed between the first end shell 411 and the spindle 42, and a plurality of second end bearings (not shown) disposed between the second end shell 412 and the spindle 42.
When the spindle 4 is disassembled, the first end bearing located at the rear end (the right side of fig. 2 and 3 is the rear end) is disassembled first, the inner ring of the first end bearing is arranged on the spindle 42, and the outer ring of the first end bearing is arranged on the first end shell 411, the driving mechanism 5 enables the screw rod 1 to rotate around the self axis to drive the second ejector rod 32 to move towards the front end (the left side of fig. 2 and 3 is the front end), because the shell 41 is fixed by the fixing seat 8 (only the first end shell 411 is fixed at this time, the second end shell 412 is not fixed), the step in the first end shell 411 prevents the first end bearing from moving towards the front end, only the spindle 42 moves towards the front end relative to the shell 41 and the first end bearing, and therefore the spindle 42 and the first end bearing are separated from each other.
After the completion is to the split of dabber 42 and first end bearing, take off first end shell 411 and first end bearing from dismantling the frock to fix second end shell 412 through fixing base 8, first ejector pin 31, dabber 42 still lean on in proper order with second ejector pin 32. The driving mechanism 5 outputs a reverse torque to rotate the screw rod 1 around the axis thereof so as to drive the first push rod 31 to move towards the rear end, and since the second end shell 412 is fixed by the fixing seat 8, the step in the second end shell 412 prevents the second end bearing from moving towards the rear end, only the mandrel 42 moves towards the rear end relative to the second end shell 412 and the second end bearing, so that the mandrel 42 and the second end bearing are separated from each other, and the spindle 4 is disassembled. The first end bearing and the second end bearing of the main shaft 4 can be dismounted through one-time clamping, the time required by multiple times of clamping is shortened, and the clamping precision and efficiency are improved.
In a preferred embodiment, as shown in fig. 1 and 2, the driving mechanism 5 may include a reduction gearbox 51 and a hand wheel 52 connected to an input shaft of the reduction gearbox 51, and an output shaft of the reduction gearbox 51 is connected to one end of the screw rod 1. The reduction gearbox 51 is manually shaken by the hand wheel 52 to transmit the acting force for disassembling the mandrel 42 and the main shaft bearing, so that the energy-saving and environment-friendly effects are achieved, the strength can be well controlled, and the mandrel 42 and the main shaft bearing are not damaged by excessive strength. The matching of the hand wheel 52 and the reduction gearbox 51 replaces the traditional press disassembling method, the problem that the separation rings of the mandrel 42 and the main shaft bearing are extruded and deformed due to overlarge disassembling force is avoided, and the matching precision of a new bearing and the mandrel 42 in the later period is ensured. In other embodiments, the hand wheel 52 may be replaced by a servo motor, and at this time, if the reduction gearbox 51 with a large reduction ratio is used, the acting force may be reduced to meet the requirement of detaching the spindle 4.
In order to facilitate the connection between the reduction box 51 and the lead screw 1, as shown in fig. 2, the driving mechanism 5 further includes a link supporting seat 531, a link 532 connecting the output shaft and the lead screw 1, and a link bearing 533 disposed in the link supporting seat 531 and supporting the link 532. The link assembly 53, which is composed of the link support base 531, the link 532, and the link bearing 533, can improve the transmission stability of the driving mechanism 5. The link assembly 53 includes a pair of link bearings 533, and further includes a sleeve (not shown) and a nut, etc. disposed on the link 532, so as to position the link bearings 533. A blind hole (not marked) is formed in one end face of the connecting rod 532, the end part of the screw rod 1 is inserted into the blind hole, the connecting rod 532 and the screw rod 1 are fixed through a pin (not marked) penetrating through the two, and the axis of the pin is perpendicular to the axis of the screw rod 1 so as to ensure that the connecting rod 532 and the screw rod 1 cannot rotate relatively.
In order to keep the connecting rod 532 and the screw rod 1 coaxial, as shown in fig. 2, the driving mechanism 5 further includes a backing plate 54 and a plurality of legs 55 for supporting the backing plate 54, and the reduction box 51 and the connecting rod support base 531 are both provided on the backing plate 54. Moreover, when different main shafts 4 are disassembled, the backing plates 54 and the support legs 55 with different heights can be replaced, so that the connecting rods 532 and the screw rods 1 rotate coaxially, and the transmission stability of the disassembling tool is further improved.
In addition, it should be noted that, for convenience of installing the main shaft 4 on the dismounting tool, in a preferred embodiment, the first screw support seat 21 and the second screw support seat 22 may be provided as a split structure, for example, referring to fig. 2, the first screw support seat 21 includes a support base 213 provided with a semicircular groove, a support cover 211 for limiting the screw 1 in the groove, and a support ring 212 capable of being sleeved on the screw 1 and performing auxiliary support on the screw 1, wherein the second screw support seat 22 has a structure similar to that of the first screw support seat 21. When the object to be disassembled needs to be replaced, the supporting cover 211 is only needed to be disassembled, so that at least one end of the screw rod 1 is not fixed, the first ejector rod 31, the main shaft 4 and the second ejector rod 32 on the screw rod 1 can be sequentially taken down, and the main shaft 4 to be disassembled can be conveniently replaced. The first push rod 31 may preferably include a cylindrical push rod body 311 and a push rod flange 312 provided at an end of the push rod body 311, and the push rod flange 312 may be in contact with the support base 213 so as to ensure that both the first push rod 31 and the second push rod 32 can support the mandrel 42 more effectively. Wherein the second lift pin 32 has a structure similar to that of the first lift pin 31.
Further, as a preferred embodiment, the disassembling tool further includes a guide rail 6 parallel to the axis of the lead screw 1, the first lead screw supporting seat 21, the fixing seat 8 and the second lead screw supporting seat 22 are sequentially disposed on the guide rail 6 and can move along the guide rail 6, so that in the disassembling process of the main shaft 4, the first lead screw supporting seat 21 and the second lead screw supporting seat 22 can be guided to move (at this time, the fixing seat 8 needs to be fixed on the guide rail 6), and the positions of the first lead screw supporting seat 21, the fixing seat 8 and the second lead screw supporting seat 22 can be adjusted according to the length of the main shaft 4, so as to adapt to disassembling of the main shafts 4 with different lengths. As shown in fig. 3, the number of the guide rails 6 is preferably two and the two guide rails are both mounted on the mounting platform 7, so as to ensure that the first screw rod supporting seat 21, the fixing seat 8 and the second screw rod supporting seat 22 can be stably supported.
In the above embodiment, the fixing base 8 preferably includes the first mounting plate 81 mounted on the guide rail 6, the clamp 82 disposed on the first mounting plate 81 and used for fixing the first end housing 411, and the bracket 83 used for supporting the first end housing 411. The clamp 82 and the bracket 83 support and fix two ends of the first end shell 411 respectively, and the spindle 4 can be kept coaxial with the screw rod 1 through the cooperation of the clamp 82 and the bracket 83. Moreover, the clamp 82 can clamp the first end housing 411 to prevent the first end housing 411 from moving in the axial direction during the disassembly process and affecting the disassembly efficiency. Wherein, as shown in fig. 1 and fig. 3, clamp 82 includes card strip 821 that distributes around first end shell 411 and chucking bolt 822 that can lock card strip 821, is provided with the bayonet socket with first end shell 411 adaptation on the card strip 821, when dismantling the main shaft 4 of different diameters, can adjust chucking bolt 822 and the relative position of card strip 821 and adapt to the main shaft 4 of different diameters to promote the adaptability of dismantling the frock.
In addition, to accommodate the detachment of the second end housing 412 from the second end bearing, the fixed base 8 preferably further includes a second mounting plate 84 mounted on the guide rail 6, a retaining socket 87 disposed on the second mounting plate 84, and a catch plate 86 disposed on the retaining socket 87. The clamping seat 87 is provided with a clamping groove adapted to the second end housing 412, so as to stably support the second end housing 412. The position of the catch plate 86 on the catch seat 87 can be adjusted and the end shell flange 413 can be clamped between the catch plate 86 and the bracket 83, thereby completing the fixing of the second end shell 412.
In order to improve the strength for supporting the second end shell 412, the fixing seat 8 further includes a connecting bar 85 for connecting the second mounting plate 84 and the first lead screw supporting seat 21, a waist-shaped hole (not labeled) extending along the extending direction of the guide rail 6 is formed in the connecting bar 85, the connecting bar 85 is mounted on the first lead screw supporting seat 21 through a screw penetrating through the waist-shaped hole, so that the mounting distance between the second mounting plate 84 and the first lead screw supporting seat 21 can be adjusted, that is, the screw is loosened, after the distance between the second mounting plate 84 and the first lead screw supporting seat 21 is adjusted along the extending direction of the waist-shaped hole, the screw is locked to fix the second mounting plate 84 and the first lead screw supporting seat 21 to each other, and the use of the first ejector rods 31 with different lengths can be adapted while the supporting strength is ensured.
Further, as shown in fig. 2 and 3, the disassembling tool further includes a plurality of slide rails 91 parallel to the guide rails 6 and a plurality of auxiliary supports 92 disposed on the slide rails 91, and the auxiliary supports 92 can slide on the slide rails 91 and are used for supporting the first end shell 411 in an auxiliary manner, so as to adapt to the disassembling of the local spindle 4 with a larger diameter. In the preferred embodiment, the number of the auxiliary support 92 and the slide rail 91 is four, and two auxiliary supports 92 and two slide rails 91 are respectively disposed on two opposite sides of the guide rail 6, so that the main shaft 4 can be better balanced during the dismounting process.
Specifically, the auxiliary support 92 preferably includes a sliding plate 921 installed on the sliding rail 91, a sliding groove member 922 provided on the sliding plate 921, and a sliding block 923 provided in the sliding groove member 922 and configured to support the first end housing 411, wherein an extending direction of the sliding groove member 922 is perpendicular to an extending direction of the sliding rail 91, so that a position of the sliding block 923 can be adjusted according to a diameter of the spindle 4. When the diameter of the main shaft 4 is large, the opposing auxiliary seats 92 can be moved away from each other, thereby improving the adaptability of the auxiliary seats 92. As shown in fig. 3, the slider 923 includes a sliding portion 925 slidable in the slide groove 922 and a support portion 924 fixed to the sliding portion 925, and the support portion 924 has a shape adapted to the spindle 4 and is directly contactable with the housing 41 of the spindle 4.
The disassembly tool is applied to a spindle maintenance center of an SGMW Liuzhou engine factory, and the practical disassembly process proves that the disassembly tool can smoothly separate the spindle 42 from the spindle bearing, and the high-precision matching surfaces of the spindle 42 and the spindle bearing are not damaged at all. By using the disassembly tool, a user can independently disassemble the main shaft 4 of the CNC machine tool and independently repair the main shaft 4, so that the delivery repair and maintenance cost is reduced. In addition, the high-precision disassembly can be realized, the repair quality is improved, the service life of the main shaft 4 is prolonged, the rejection rate of the main shaft 4 and the equipment failure downtime are reduced, the disassembly and adjustment of the same type of equipment in the processing and manufacturing industry can be expanded, and the disassembly and adjustment technical level is improved. The disassembling tool can be popularized and used for disassembling the main shaft 4 of the machine tool of the same type or different types of equipment in other engine factories. According to the current use condition, a factory has 230 main shafts, about 46 main shafts 4 are sent out for repair every year, the cost of the main shafts 4 is 89 ten thousand yuan/root, the cost of sending out for repair is about 20 ten thousand yuan, the average time of fault and shutdown caused by the main shafts 4 is 8 hours every month, and the average cost of spare parts of the repaired main shafts is about 5 ten thousand yuan/root. After the disassembly tool is adopted, the expected saved money can reach 846.3 ten thousand yuan per year.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A disassembly tool for disassembling a main shaft comprises a cylindrical mandrel, a cylindrical shell sleeved outside the mandrel and a plurality of main shaft bearings arranged between the mandrel and the shell, and is characterized by comprising a lead screw capable of penetrating through the mandrel, a first lead screw supporting seat and a second lead screw supporting seat for supporting the lead screw, a first ejector rod and a second ejector rod which are cylindrical and sleeved on the lead screw, a fixed seat for fixing the shell and a driving mechanism for driving the lead screw to rotate around the axis of the fixed seat;
the first ejector rod and the second ejector rod are in threaded connection with the lead screw, the first ejector rod is abutted against and arranged between the first lead screw supporting seat and the first end of the mandrel, the second ejector rod is abutted against and arranged between the second lead screw supporting seat and the second end of the mandrel, and the lead screw, the first ejector rod, the mandrel and the second ejector rod are coaxially arranged.
2. A dismounting tool for dismounting a spindle according to claim 1, wherein the driving mechanism comprises a reduction gearbox and a hand wheel connected with an input shaft of the reduction gearbox, and an output shaft of the reduction gearbox is connected with one end of the screw rod.
3. A dismounting tool for dismounting a spindle according to claim 2, wherein the driving mechanism further comprises a link support base, a link connecting the output shaft and the lead screw, and a link bearing disposed in the link support base and used for supporting the link.
4. A dismounting tool for dismounting a spindle according to claim 3, wherein the driving mechanism further comprises a base plate and a plurality of support legs for supporting the base plate, and the reduction gearbox and the connecting rod support seat are both arranged on the base plate.
5. A dismounting tool for dismounting a spindle according to any one of claims 1 to 4, further comprising a guide rail parallel to an axis of the lead screw, wherein the first lead screw supporting seat, the fixed seat and the second lead screw supporting seat are sequentially arranged on the guide rail and can move along the guide rail.
6. A dismounting tool for dismounting a spindle according to claim 5, wherein the housing comprises a first end shell and a second end shell abutting against the first end shell; the spindle bearing comprises a plurality of first end bearings disposed between the first end shell and the mandrel and a plurality of second end bearings disposed between the second end shell and the mandrel; the fixing base including install in first mounting panel on the guide rail, set up in just be used for fixing on the first mounting panel the clamp of first end shell and be used for supporting the bracket of first end shell.
7. The disassembly tool for disassembling a spindle of claim 6, wherein the housing further comprises an end shell flange disposed on an end of the second end shell and between the first end shell and the second end shell; the fixing seat further comprises a second mounting plate arranged on the guide rail, a clamping seat arranged on the second mounting plate and a clamping plate arranged on the clamping seat, a clamping groove matched with the second end shell is formed in the clamping seat, and the end shell flange can be clamped between the clamping plate and the bracket.
8. A dismounting tool for dismounting a spindle according to claim 7, wherein the fixing base further comprises a connecting bar connecting the second mounting plate and the first lead screw supporting seat.
9. The disassembly tool for disassembling the spindle of claim 6, further comprising a slide rail parallel to the guide rail and a plurality of auxiliary supports disposed on the slide rail, wherein the auxiliary supports can slide on the slide rail and are used for auxiliary supporting of the first end housing.
10. A dismounting tool for dismounting a spindle according to claim 9, wherein the auxiliary support includes a slide plate mounted on the slide rail, a chute member disposed on the slide plate, and a slider disposed in the chute member and configured to support the first end housing, and an extending direction of the chute member is perpendicular to an extending direction of the slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379564.4A CN107116506B (en) | 2017-05-25 | 2017-05-25 | Disassembling tool for disassembling main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379564.4A CN107116506B (en) | 2017-05-25 | 2017-05-25 | Disassembling tool for disassembling main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107116506A CN107116506A (en) | 2017-09-01 |
| CN107116506B true CN107116506B (en) | 2020-03-17 |
Family
ID=59729362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710379564.4A Active CN107116506B (en) | 2017-05-25 | 2017-05-25 | Disassembling tool for disassembling main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107116506B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227468B (en) * | 2018-11-20 | 2023-12-05 | 中国医学科学院阜外医院 | Device for disassembling axial-flow type ventricular assist pump tail guide part |
| CN110052996B (en) * | 2019-04-16 | 2021-07-20 | 中车石家庄车辆有限公司 | Derailing valve dismounting device |
| CN111730543B (en) * | 2020-07-06 | 2021-10-22 | 嘉兴市玖玛兰科技有限公司 | Portable nondestructive dismounting tool for mechanical transmission shaft |
| CN112959259B (en) * | 2021-02-05 | 2023-06-23 | 中国铁建重工集团股份有限公司 | Bevel gear case input shaft dismounting device |
| CN115106978B (en) * | 2022-06-24 | 2024-01-23 | 北京蔚蓝集智科技有限公司 | Disassembling jig and disassembling method for water spraying propeller of surfboard power cabin |
| CN116713957B (en) * | 2023-08-10 | 2023-10-20 | 孚诺泽石油装备(山东)有限公司 | Machine pump is maintained with dismantling supplementary maintenance platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656715A (en) * | 1986-07-11 | 1987-04-14 | Diaz Eusebio M | Transmission clutch housing removal tool set |
| CN1704206A (en) * | 2004-06-01 | 2005-12-07 | 精碟科技股份有限公司 | Installation apparatus |
| CN205630463U (en) * | 2016-05-11 | 2016-10-12 | 常州阿奇夏米尔机床有限公司 | Lathe main shaft assembly fixture |
| CN106346406A (en) * | 2016-10-19 | 2017-01-25 | 中航飞机股份有限公司西安飞机分公司 | Machine tool spindle assembling and disassembling device |
| CN206029753U (en) * | 2016-08-31 | 2017-03-22 | 洪泽县汽车半轴制造有限公司 | Automobile semi -axle draws and gets ware |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203062711U (en) * | 2013-03-05 | 2013-07-17 | 惠军平 | Special tool for dismantling bearing |
-
2017
- 2017-05-25 CN CN201710379564.4A patent/CN107116506B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656715A (en) * | 1986-07-11 | 1987-04-14 | Diaz Eusebio M | Transmission clutch housing removal tool set |
| CN1704206A (en) * | 2004-06-01 | 2005-12-07 | 精碟科技股份有限公司 | Installation apparatus |
| CN205630463U (en) * | 2016-05-11 | 2016-10-12 | 常州阿奇夏米尔机床有限公司 | Lathe main shaft assembly fixture |
| CN206029753U (en) * | 2016-08-31 | 2017-03-22 | 洪泽县汽车半轴制造有限公司 | Automobile semi -axle draws and gets ware |
| CN106346406A (en) * | 2016-10-19 | 2017-01-25 | 中航飞机股份有限公司西安飞机分公司 | Machine tool spindle assembling and disassembling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107116506A (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107116506B (en) | Disassembling tool for disassembling main shaft | |
| CN103252515B (en) | A kind of long excircle of barrel-shaped parts Special Fixture for Machining | |
| CN201632857U (en) | Elastic inner clamp of machine tool | |
| CN104259900B (en) | Thin-walled cylindrical part end face machining fixture | |
| CN204686803U (en) | Adjustable bearing nondestructive demounting device | |
| CN1086779C (en) | Thrust bearing of propeller | |
| CN102078966A (en) | Machining process for slender axle | |
| CN113510657B (en) | Bushing assembling tool and assembling method thereof | |
| CN213497738U (en) | Efficient machining tool assembly for non-standard thin-wall bearing bush | |
| CN212763288U (en) | Frock is dismantled to derailleur bearing inner race | |
| CN210045760U (en) | Automatic disassembling tool for roller bearing | |
| CN204725195U (en) | Quick despatch expanding mandrel | |
| CN111375635B (en) | Automatic disassembling tool for roller bearing and using method thereof | |
| CN212635018U (en) | A frock for vertical roll assembly dress card processing | |
| CN210189670U (en) | Numerical control roller lathe tailstock bearing dismouting device | |
| CN219213014U (en) | Universal bearing outer ring detacher | |
| CN217122851U (en) | High power density planetary reducer hollow shaft excircle grinding processing is from rising anchor clamps | |
| CN113843604B (en) | Press mounting device and method for forklift steering axle hub bearing | |
| CN215785889U (en) | Triaxial-rolling conical cylinder forming device | |
| CN215089992U (en) | Medical instrument parts machining is with anchor clamps of manual round bar of bending | |
| CN213856372U (en) | Connecting tool suitable for internal mold and core rod | |
| CN109015370B (en) | Grinding tool for stirrer shaft sleeve | |
| CN216403409U (en) | Quick assembling and disassembling spool locking device | |
| CN111660249B (en) | Device and method for disassembling bolt for reaming hole | |
| CN215237906U (en) | Boring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |